San Francisco Supervisor Sophie Maxwell and other African American leaders in the Bayview are not at all happy about how this week's visit by first lady Michelle Obama was handled. "One look at the picture on the front of The Chronicle says it all," Maxwell said. "The people in the neighborhood had to climb fences to even get a look at what was going on. "The people I have talked with felt very disengaged and somewhat offended," Maxwell said. At issue was the planning - or lack thereof - for the first lady's visit to Bret Harte Elementary School, where...